Imagine that you are observing an enzyme-catalyzed reaction in the lab. Every time you add more enzyme, the reaction rate increases proportionally until the reaction rate suddenly levels off. No other chemicals were added, and no modifications were made in the experimental setting. Why do you think the reaction rate stopped increasing?

Answers

Answer 1

Answer:

The rate of reaction stops increasing because there is no substrate left to bound with an enzyme to increase the rate of reaction.

What is an enzyme?

An enzyme is a substance that increases the rate of reaction by catalyzing the reaction.

The enzyme is called a biological catalyst.

Enzyme work when it combines with the substrate of the reaction to make products.

When the enzyme is added, the rate of reaction increase because it fastens the reactions.

But when the substrate is converted into a product and there is no substrate left to combine with enzyme the rate of reaction stop increasing.

Thus, The rate of reaction stops increasing because there is no substrate left to bound with an enzyme to increase the rate of reaction.

Learn more about enzymes, here:

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Answer 2

Answer:

Answer:

All the substrates are bound to the enzyme, thats why the reaction rate stopped increasing.

Explanation:

Actually an enzyme works by binding a substrate molecule to its active site, producing a product , resulting in an increase in the rate of reaction.

Enzyme + substrate = Enzyme + product

Whenever enzymes are added , reaction rate increases as the substrates are being bound to the enzyme's active sites but then occurs a stage where further addition of enzyme cannot increase the reaction rate because all the substrates have bound to the enzyme and there are no substrates left.Hence the reaction rate stopped increasing.

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Complete the statements to identify the first two steps of meiosis I.The first and longest step of meiosis I is called
I.

The second step of meiosis I is called
I.

Answers

Answer:

Prophase I

Metaphase I

Explanation:

One of the methods of cell division that results in four daughter cells is called meiosis. These cells have half of the number of chromosomes when compared to the parent cell. The sub-phases are prophase, metaphase, anaphase, and telophase. So the first and longest step is called prophase and the second step is called metaphase.

Answer:Prophase!Metaphase I!

Explanation:PIs make me a BRAINLIEST need award

A researcher proposes a model to explain how enzyme-substrate interactions determine enzyme specificity. The model is based on the idea that substrate molecules form favorable interactions with the amino acid side chains in an enzyme’s active site. Based on the model, which of the following statements best explains an enzyme’s specificity for a particular substrate molecule?a. A hydrophilic molecule interacts with nonpolar side chains in the enzyme’s active site.b. A hydrophobic molecule interacts with polar side chains in the enzyme’s active site.c. A molecule with positive charges interacts with positively charged side chains in the enzyme’s active site.d. A molecule with negative charges interacts with positively charged side chains in the enzyme’s active site.

Answers

Answer:

Option- D

A molecule with negative charges interacts with positively charged side chains in the enzyme’s active site.

Explanation:

A researcher proposes a model to explain how enzyme-substrate interactions determine enzyme specificity. The model is based on the idea that substrate molecules form favorable interactions with the amino acid side chains in an enzyme’s active site.Based on the model, the following statements best explains an enzyme’s specificity for a particular substrate molecule, which is "A molecule with negative charges interacts with positively charged side chains in the enzyme’s active site."

Answer:

D. A molecule with negative charges interacts with positively charged side chains in the enzyme’s active site.

Explanation:

Because opposite charges attract, a molecule with negative charges will form favorable interactions with positively charged side chains in an enzyme’s active site. Based on the model, the favorable interactions helps explain the enzyme’s specificity for the molecule as a substrate.

I also got this question correct so I am sure.

During embryonic development of animals, tissue layers form. This process of embryonic tissue development is called _____. embryology morphology gastrulation germination

Answers

Gastrulation is the process in which tissue layers are developed. These layers of tissue later become organs and organ systems. Germination is a process restricted to plants while embryology and morphology are considered studies of the growth and changes in organisms.

During embryonic development of animals, tissue layers form. This process of embryonic tissue development is called Gastrulation.

Yeast and truffles are _____ fungi. club sac zygote-forming chytrid imperfect

Answers

Correct answer: B). Sac Fungi

Yeast is the single-celled microorganism that is classified with the molds and mushrooms in the kingdom Fungi. It is a member of Group Ascomycota, which is also known as sac fungi.

A truffle is the fruiting body of the subterranean ascomycete fungus. These are found in close association with the tree roots as it is an ectomycorrhizal fungus.

Hence, the correct answer would be option B.

Yeast and truffles are sac fungi.

The area around a pond is cooler than the rest of the forest. Which term describes the area around the pond? A. Biome

B. Microclimate

C. Macroclimate

Answers

Microclimate is an area around a pond that is much cooler than the rest of the forest. Microclimate is a climate in a small area in which makes that specific area have a different climate. It may be colder, warmer, wetter, or drier.

Answer:Microclimate

Explanation: hope this helps just did the plato its right

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Answers

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Centromeres split apart during Mitosis. Specifically during the Anaphase

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